Designing Flames under Zero Gravity : By NASA


How fire would behave without gravity?

NASA scientists researched and conducted an experiment to study flames in microgravity. The Purpose of the experiment is to help in clear combustion( Process of burning) on earth and safer on space. It will also help in reducing pollutant soot resulting from the fire. (Soot means” powder carrying Carbon substance) arising from flames.

About the experiment

The experiment conducted at a combustion research facility of International space station.

NASA explains how flame design is different in microgravity as follows

On earth, hot gasses from the flame rise while gravity pulls cooler, denser air to the bottom of the flame. This creates both the shape of the flame, as well as a flickering(Wavy) effect.

In microgravity, this flow doesn’t occur. This reduces the variables in combustion experiments, making them simpler and creating spherically shaped ( Circular, round) flames. The reduced gravity creates flames that look a lot different from the ones seen here on Earth: with the near absence of gravity on the space station, flames tend to be spherical.

How the experiment will be useful?

Clear and efficient flames can affect many areas of our life like electricity generation, automobile sector and in the LPG sector. The results will help designing more sooty or soot-free flames and will allow in more efficient and less polluting urner designs. Analyzing how fire behaves in zero gravity, will help in space research and will enhance the safety of future astronauts.

Here is the video of the experiment

What do you think?

The Starterr

Written by The Starterr

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